Coupling length variation and multi-wavelength demultiplexing in photonic crystal waveguides

被引：0

作者：

王梓名 ^{[1
]}

苏康 ^{[1
]}

冯波 ^{[1
]}

张天华 ^{[2
]}

黄维清 ^{[1
]}

蔡伟成 ^{[1
]}

肖威 ^{[1
]}

刘鸿飞 ^{[1
]}

刘建军 ^{[1
]}

机构：

[1] Key Laboratory for Micro-/Nano-Optoelectronic Devices of Ministry of Education, School of Physics and Electronics,Hunan University

来源：

Chinese Optics Letters | 2018年 / 16卷 / 01期

基金：

中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;

关键词：

length; Coupling length variation and multi-wavelength demultiplexing in photonic crystal waveguides; WDM; Ph; PBG;

D O I：

暂无

中图分类号：

O734 [晶体的光学性质];

学科分类号：

0803 ;

摘要：

In this Letter, the effects of material/structure parameters of photonic crystal(Ph C) parallel waveguides on the coupling length are investigated. The results show that, increasing the effective relative permittivity of the Ph C leads to a downward shift of the photonic bandgap and a variation of the coupling length. A compact Ph C 1.31/1.55 μm wavelength division multiplexer(WDM)/demultiplexer with simple structure is proposed,where the output power ratios are more than 24 d B. This WDM can multiplex/demultiplex other light waves efficiently.

引用

页码：52 / 56

页数：5

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